Improvement in nut-locks



JMOORGROFT.'

, NUT LOCK. Y '.No. 107,704. j Y Patented sept. 27, 1870.

" gether with n conical scren",`for expanding said boit 4 within the not. Theiebylthe `nui; .will be Seeurehf.

i lie threeded end is split,"l as indiceted by dotted lines in iig. 2, so as to be`expansible. the incision`extend- JAMES Moenclume` on Newor, RHODE. ISLAND.

remit n401304, dem f f IMPRovEMENi-m Nur-'weke' To whom it mgyonocm n full, clear, andexnct dee'eription thereo. which will enable others skilled in the art lto .make and use the same, reference being had to the accompanying drawing forming part of this speiiioation, in which-S N Figure 1 represents e-sectional'side View of n' holt provided with my improved look-nut. `Figure 2 is-e side view of the same. v j

Simiiarietteis of reierenc'c indicato corresponding' ports. H V l r This invention vrelntcsjto a new manner `of locking. n nut by eppiyingitto the split end of albeit, to-.

istened.'

A in the drawing represents :rbolof suitable size.`

.n h ing down iin' cnongh ioimpnrtelnstioitytothepieoee port; in the Acounty of" Newport and State of Rhode Island, have invented e new 'and improved Lock.

v Nut; and IV do hereby declare that the following is tween them. p The split emi of the'bolt isitapped, and provided n'ithn .female screw-thread, forreeeiring o eonionl e1.-rew,B.l 1

' Aierthe not C hns' been applied to' the bolt, ,the screw B is pn; in and turned down, seas toexpamd the split lencifof thobolt, and spread the sameinnly against thennt'. The hoitybeyond the not, will therebibe so .much enlarged that the nut cannot work oQwhiie the screw B is retained by the powerful sprlng-press-- nre ofthe nrms th'ntnne formed by the spiitthiz of theholt.-= l ffHaving thus described my invention,

. Icloimns new ond desire tn ,seen're hy Letten; Y

Patent- The split holt combined with the oonieal eenen?,4 B, for the purpose of looking ,the not 0, sbshmthilly-las herein shown and described. A gwitnessesg V,JAMES liEO0R0R( )li"1.l

Tues. Roemenen, A Anm C# Semi. 

